Home / 4,835.92-7,247.38-3,980.56

Finding the Fourth Proportional to 4,835.92, 7,247.38 and 3,980.56

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Solution

The fourth proportional to 4,835.92, 7,247.38 and 3,980.56 is: 5,965.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,835.92 : 7,247.38 = 3,980.56 : x
  2. Step 2: Convert to fraction form
    4,835.92/7,247.38 = 3,980.56/x
  3. Step 3: Cross multiply
    4,835.92x = 7,247.38 × 3,980.56
  4. Step 4: Simplify right side
    4,835.92x = 28,848,630.93
  5. Step 5: Solve for x
    x = 28,848,630.93/4,835.92
  6. Step 6: Final answer
    x = 5,965.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.